D-ring isolator



FIG. 1 is a left front perspective view of a D-ring isolator showing my new design.

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image of the front elevational view.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right side elevational view thereof, the left side elevational view being a mirror image of the right side elevational view. 

CLAIM The ornamental design for a D-ring isolator, as shown and described. 